CameraBinImageCapture::CameraBinImageCapture(CameraBinSession *session)
:QCameraImageCaptureControl(session)
, m_session(session)
, m_ready(false)
, m_requestId(0)
, m_jpegEncoderElement(0)
, m_metadataMuxerElement(0)
{
connect(m_session, SIGNAL(stateChanged(QCamera::State)), SLOT(updateState()));
connect(m_session, SIGNAL(imageExposed(int)), this, SIGNAL(imageExposed(int)));
connect(m_session, SIGNAL(imageCaptured(int,QImage)), this, SIGNAL(imageCaptured(int,QImage)));
connect(m_session, SIGNAL(busMessage(QGstreamerMessage)), SLOT(handleBusMessage(QGstreamerMessage)));
g_signal_connect(G_OBJECT(m_session->cameraBin()), IMAGE_DONE_SIGNAL, G_CALLBACK(handleImageSaved), this);
}
QGstreamerCaptureSession::QGstreamerCaptureSession(QGstreamerCaptureSession::CaptureMode captureMode, QObject *parent)
:QObject(parent),
m_state(StoppedState),
m_pendingState(StoppedState),
m_waitingForEos(false),
m_pipelineMode(EmptyPipeline),
m_captureMode(captureMode),
m_audioInputFactory(0),
m_audioPreviewFactory(0),
m_videoInputFactory(0),
m_viewfinder(0),
m_viewfinderInterface(0),
m_audioSrc(0),
m_audioTee(0),
m_audioPreviewQueue(0),
m_audioPreview(0),
m_audioVolume(0),
m_muted(false),
m_videoSrc(0),
m_videoTee(0),
m_videoPreviewQueue(0),
m_videoPreview(0),
m_imageCaptureBin(0),
m_encodeBin(0),
m_passImage(false),
m_passPrerollImage(false)
{
m_pipeline = gst_pipeline_new("media-capture-pipeline");
gstRef(m_pipeline);
m_bus = gst_element_get_bus(m_pipeline);
m_busHelper = new QGstreamerBusHelper(m_bus, this);
m_busHelper->installSyncEventFilter(this);
connect(m_busHelper, SIGNAL(message(QGstreamerMessage)), SLOT(busMessage(QGstreamerMessage)));
m_audioEncodeControl = new QGstreamerAudioEncode(this);
m_videoEncodeControl = new QGstreamerVideoEncode(this);
m_imageEncodeControl = new QGstreamerImageEncode(this);
m_recorderControl = new QGstreamerRecorderControl(this);
m_mediaContainerControl = new QGstreamerMediaContainerControl(this);
setState(StoppedState);
}
void PlaybinSession::readySession()
{
d->playbin = gst_element_factory_make("playbin", NULL);
if (d->playbin != 0) {
// Pre-set video element, even if no video
d->sinkWidget = new DirectPainterWidget;
g_object_set(G_OBJECT(d->playbin), "video-sink", d->sinkWidget->element(), NULL);
// Sort out messages
d->bus = gst_element_get_bus(d->playbin);
d->busHelper = new BusHelper(d->bus, this);
connect(d->busHelper, SIGNAL(message(Message)), SLOT(busMessage(Message)));
// Initial volume
g_object_get(G_OBJECT(d->playbin), "volume", &d->volume, NULL);
// URI for media
g_object_set(G_OBJECT(d->playbin), "uri", d->url.toString().toLocal8Bit().constData(), NULL);
}
}
void PlaybinSession::readySession()
{
d->playbin = gst_element_factory_make("playbin", NULL);
if (d->playbin != 0) {
// Pre-set video element, even if no video
d->sinkWidget = new VideoWidget;
connect( d->sinkWidget->videoSurface(), SIGNAL(formatsChanged()), this, SLOT(updateSinkFormat()) );
connect( d->sinkWidget->videoSurface(), SIGNAL(updateRequested()), this, SLOT(repaintLastFrame()) );
g_object_set(G_OBJECT(d->playbin), "video-sink", d->sinkWidget->element(), NULL);
// Sort out messages
d->bus = gst_element_get_bus(d->playbin);
d->busHelper = new BusHelper(d->bus, this);
connect(d->busHelper, SIGNAL(message(Message)), SLOT(busMessage(Message)));
// Initial volume
g_object_get(G_OBJECT(d->playbin), "volume", &d->volume, NULL);
// URI for media
g_object_set(G_OBJECT(d->playbin), "uri", d->url.toString().toLocal8Bit().constData(), NULL);
}
}
QGstreamerPlayerSession::QGstreamerPlayerSession(QObject *parent)
:QObject(parent),
m_state(QMediaPlayer::StoppedState),
m_pendingState(QMediaPlayer::StoppedState),
m_busHelper(0),
m_playbin(0),
m_usePlaybin2(false),
m_videoSink(0),
m_pendingVideoSink(0),
m_nullVideoSink(0),
m_bus(0),
m_videoOutput(0),
m_renderer(0),
m_volume(100),
m_playbackRate(1.0),
m_muted(false),
m_audioAvailable(false),
m_videoAvailable(false),
m_seekable(false),
m_lastPosition(0),
m_duration(-1)
{
#ifdef USE_PLAYBIN2
m_playbin = gst_element_factory_make("playbin2", NULL);
#endif
if (m_playbin) {
m_usePlaybin2 = true;
//GST_PLAY_FLAG_NATIVE_VIDEO omits configuration of ffmpegcolorspace and videoscale,
//since those elements are included in the video output bin.
int flags = 0;
g_object_get(G_OBJECT(m_playbin), "flags", &flags, NULL);
flags |= GST_PLAY_FLAG_NATIVE_VIDEO;
g_object_set(G_OBJECT(m_playbin), "flags", flags, NULL);
} else {
m_usePlaybin2 = false;
m_playbin = gst_element_factory_make("playbin", NULL);
}
m_videoOutputBin = gst_bin_new("video-output-bin");
gst_object_ref(GST_OBJECT(m_videoOutputBin));
m_videoIdentity = gst_element_factory_make("identity", "identity-vo");
m_nullVideoSink = gst_element_factory_make("fakesink", NULL);
gst_object_ref(GST_OBJECT(m_nullVideoSink));
gst_bin_add_many(GST_BIN(m_videoOutputBin), m_videoIdentity, m_nullVideoSink, NULL);
gst_element_link_many(m_videoIdentity, m_nullVideoSink, NULL);
//add an event probe before video output to save and repost segment events
{
gst_segment_init (&m_segment, GST_FORMAT_TIME);
GstPad *srcPad = gst_element_get_static_pad(m_videoIdentity, "src");
gst_pad_add_event_probe(srcPad, G_CALLBACK(new_segment_probe), this);
gst_pad_add_buffer_probe(srcPad, G_CALLBACK(new_buffer_probe), this);
gst_object_unref(GST_OBJECT(srcPad));
}
m_videoSink = m_nullVideoSink;
// add ghostpads
GstPad *pad = gst_element_get_static_pad(m_videoIdentity,"sink");
gst_element_add_pad(GST_ELEMENT(m_videoOutputBin), gst_ghost_pad_new("videosink", pad));
gst_object_unref(GST_OBJECT(pad));
if (m_playbin != 0) {
// Sort out messages
m_bus = gst_element_get_bus(m_playbin);
m_busHelper = new QGstreamerBusHelper(m_bus, this);
connect(m_busHelper, SIGNAL(message(QGstreamerMessage)), SLOT(busMessage(QGstreamerMessage)));
m_busHelper->installSyncEventFilter(this);
g_object_set(G_OBJECT(m_playbin), "video-sink", m_videoOutputBin, NULL);
g_signal_connect(G_OBJECT(m_playbin), "notify::source", G_CALLBACK(playbinNotifySource), this);
// Initial volume
double volume = 1.0;
g_object_get(G_OBJECT(m_playbin), "volume", &volume, NULL);
m_volume = int(volume*100);
}
}
QT_BEGIN_NAMESPACE
QGstreamerPlayerSession::QGstreamerPlayerSession(QObject *parent)
:QObject(parent),
m_state(QMediaPlayer::StoppedState),
m_busHelper(0),
m_playbin(0),
m_videoSink(0),
m_pendingVideoSink(0),
m_nullVideoSink(0),
m_bus(0),
m_renderer(0),
m_volume(100),
m_playbackRate(1.0),
m_muted(false),
m_audioAvailable(false),
m_videoAvailable(false),
m_seekable(false),
m_lastPosition(0),
m_duration(-1)
{
static bool initialized = false;
if (!initialized) {
initialized = true;
gst_init(NULL, NULL);
}
#ifdef USE_PLAYBIN2
m_playbin = gst_element_factory_make("playbin2", NULL);
#else
m_playbin = gst_element_factory_make("playbin", NULL);
#endif
m_videoOutputBin = gst_bin_new("video-output-bin");
gst_object_ref(GST_OBJECT(m_videoOutputBin));
m_videoIdentity = gst_element_factory_make("identity", "identity-vo");
m_colorSpace = gst_element_factory_make("ffmpegcolorspace", "ffmpegcolorspace-vo");
m_videoScale = gst_element_factory_make("videoscale","videoscale-vo");
m_nullVideoSink = gst_element_factory_make("fakesink", NULL);
gst_object_ref(GST_OBJECT(m_nullVideoSink));
gst_bin_add_many(GST_BIN(m_videoOutputBin), m_videoIdentity, m_colorSpace, m_videoScale, m_nullVideoSink, NULL);
gst_element_link_many(m_videoIdentity, m_colorSpace, m_videoScale, m_nullVideoSink, NULL);
m_videoSink = m_nullVideoSink;
// add ghostpads
GstPad *pad = gst_element_get_static_pad(m_videoIdentity,"sink");
gst_element_add_pad(GST_ELEMENT(m_videoOutputBin), gst_ghost_pad_new("videosink", pad));
gst_object_unref(GST_OBJECT(pad));
if (m_playbin != 0) {
// Sort out messages
m_bus = gst_element_get_bus(m_playbin);
m_busHelper = new QGstreamerBusHelper(m_bus, this);
connect(m_busHelper, SIGNAL(message(QGstreamerMessage)), SLOT(busMessage(QGstreamerMessage)));
m_busHelper->installSyncEventFilter(this);
g_object_set(G_OBJECT(m_playbin), "video-sink", m_videoOutputBin, NULL);
// Initial volume
double volume = 1.0;
g_object_get(G_OBJECT(m_playbin), "volume", &volume, NULL);
m_volume = int(volume*100);
}
}